Aquarium ornament



FIG. 1 is a perspective view taken from the front, and left side of an aquarium ornament showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a aquarium ornament, substantially as shown. 